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Penry Air CEO Casey Penry Highlights the Future of Energy-Efficient Compressed Air Technology. The Manila Times
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Background: 1974 split level ranch built on the side of a hill. Climate zone 5A. Recently replaced gutters & downspouts. ~25 year old French drain servicing about 1/3 of the uphill facing side of home. Got a borescope to inspect the french drain and the underground drain pipes that 3 of the 4 downspouts are […]
Barb13 | Posted in General Questions on March 30, 2025 05:58pm I’m replacing my old roof and going to use GAF asphalt shingles. But one section of the roof over my home office is 3/12 pitch.I am sensitive to chemical smells, so suggestions to use an ice and water shield under the new shingles doesn’t […]
Hello, I am zone 6, Halifax Nova Scotia. House built in 1938. It’s pretty airtight now (blower test confirms) and have a Lifebreath HRV. Winter RH inside is between 30 and 35%. My issue is a little main floor addition under a low slope, single pitch roof. It’s effectively an attic but not vented and […]
Join the leading community of building science experts Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial Replies Chris_in_NC | Mar 30, 2025 04:22pm | #1 Did mastic not get applied to the seams on the exterior side? It’s […]
2001 gut reno – CZ 3A/4A Can someone please help me figure out what to tell my contractor to do for interior wall intersections like the ones in the attached photos? We are doing Rockwool in the stud bays, but I’m at a loss for what to do in these areas. Would not insulating create […]
The Environmental Protection Agency (EPA) is coming after America’s green banks. Once you’ve had a moment to process the naked irony of this statement, let us review the facts and what has transpired of late. Green banks have long been considered a reliable institutional response to the climate crisis. Principally funded with taxpayer money, these […]